Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-437 A Holyoke MA SPFDMAXLDMD  3370 CTC COMMUNICATIONS CORP. - MA 126      
413-437 0 Holyoke MA SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126   2008-12-06   
413-437 1 Holyoke MA SPFDMAXLDMD  3370 CTC COMMUNICATIONS CORP. - MA 126      
413-437 2 Holyoke MA SPFDMAWOXEX  4084 PAETEC COMMUNICATIONS, INC. - MA 126   2009-06-23   
413-437 3 Holyoke MA SPFDMAWOCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2009-08-05   
413-437 4 Holyoke MA SPFDMAWOCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2009-08-05   
413-437 5 Holyoke MA SPFDMAWOX4Y  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 126   2009-04-05   
413-437 6 Holyoke MA SPFDMAWOXCY  6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2013-07-22   
413-437 7 Holyoke MA SPFDMAPM4MD  318J COMCAST IP PHONE, LLC 126   2008-04-03   
413-437 8 Holyoke MA CHCPMAFD0MD  293C CHARTER FIBERLINK MA-CCO, LLC - MA 126   2011-10-21   
413-437 9 Holyoke MA SPFDMAXLDMD  3370 CTC COMMUNICATIONS CORP. - MA 126      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.